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Happy Facebook IPO eve! Check out the companies getting funded today below. Click the links in each paragraph to learn more about the day’s funding news.

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Pinterest grabs $100M at $1.5 billion valuation

Uber-popular pinboard site Pinterest has raised $100 million at a reported $1.5 billion valuation. The photo-focused social bookmarking site has gained overwhelming popularity in the last year and sparked many sites to use its design. Japanese web retailer Rakuten announced a $50 million contribution to the round. Andreessen Horowitz, Bessemer Venture Partners, and FirstMark Capital, along with several angel investors made up the other $50 million. Read more on VentureBeat: Pinterest joins the billion dollar club: Gets $100M in round led by Rakuten.

Crowdtilt pulls in funds for money-pooling site

Crowdtilt, a site that helps groups of friends pool money for a common goal, has raised its first round of funding for $2.1 million. Crowdtilt helps smaller groups of people who want to raise money for a trip or buying a wedding gift collect cash through crowdfunding. SV Angel, Crunch Fund, Y-Combinator, Felicis Ventures, DCM and other angel investors contributed to the round.

Fire up those data centers, NextIO just got funded

NextIO, builder of processors and virtualization software for data center servers, has raised $12.3 million in its fifth round of funding. The company builds software to create virtual servers, provide high-performance data storage, and connect servers to Ethernet and Fibre Channel networks. Adams Capital Management Inc., Crescendo Ventures LLP, and an unnamed investor participated in the round. Read more on VentureBeat: Server and data center software company NextIO grabs late-stage investment.

Gen110 nabs cash to put a power plant on your roof

Gen110, a company that provides distributed energy so people can cut the cord from a utility, has raised an undisclosed investment from Kleiner Perkins Caufield and Byers. Qualified homeowners get power-generating equipment for their rooftops and they only pay for the electricity they produce. Read more on VentureBeat: Gen110 grabs funding from Kleiner Perkins Caufield & Byers.

Tiger Pistol raises funding for social media marketing in Asia

Australian startup Tiger Pistol has raised $1.15 million in funding for its social media marketing platform. Tiger Pistol helps businesses beef up their Facebook pages with apps and tab pages with a focus on businesses in the Asia Pacific market. Australian investor David Solomon provided the angel round. Read more on VentureBeat: Social media marketing startup Tiger Pistol raises angel funding.